Complete Primitive Cordage and Rope Making: From Plant to Line
Cordage is one of the most essential primitive technologies. This campaign covers fiber sources, extraction, spinning, plying, and rope construction.
Chapter 1: Fiber Sources
Plant
Fiber Location
Strength
Length
Availability
Processing
Dogbane (Indian hemp)
Inner bark (stem)
Excellent
Long
Eastern N. America
Ret, strip, dry
Stinging nettle
Inner bark (stem)
Very good
Long
Widespread
Ret, strip, dry
Milkweed
Inner bark (stem)
Good
Medium
Widespread
Strip, dry
Yucca
Leaves
Very good
Long
Southwest, cultivated
Pound, scrape
Cattail
Leaves
Moderate
Long
Wetlands (widespread)
Dry, twist
Basswood (linden)
Inner bark
Good
Very long
Eastern N. America
Soak, strip
Cedar bark
Inner bark
Good
Long
Pacific NW
Strip, shred
Flax
Stem fibers
Excellent
Long
Cultivated
Ret, break, hackle
Hemp
Stem fibers
Excellent
Long
Cultivated
Ret, break, hackle
Sisal/agave
Leaves
Very good
Long
Tropical, cultivated
Scrape, dry
Coconut (coir)
Husk fibers
Moderate
Short-medium
Tropical
Soak, separate
Rawhide
Animal skin
Excellent
Any length (cut)
Hunting, livestock
Cut in spiral
Sinew
Animal tendon
Excellent
Medium
Hunting, livestock
Dry, pound, separate
Chapter 2: Fiber Extraction
Retting (for bast fibers like dogbane, nettle, flax, hemp): 1) Harvest stems when mature (fall, after seeds set). 2) Bundle stems loosely. 3) Submerge in still water (pond, bucket). 4) Weight down to keep submerged. 5) Ret for 5-14 days (bacteria break down outer bark and pith). 6) Check daily: fibers should separate easily from woody core. 7) Remove when outer bark peels easily. 8) Over-retting weakens fibers (check frequently). 9) Rinse thoroughly. 10) Dry completely. 11) Break: bend and snap woody core, peel away fiber. 12) Hackle: pull fibers through coarse comb to separate and align.
Method
Time
Quality
Effort
Best For
Water retting
5-14 days
Very good
Low (waiting)
Large quantities
Dew retting
2-6 weeks
Good
Very low
Field processing
Manual stripping
Immediate
Moderate
High
Emergency, small quantity
Boiling
2-4 hours
Good
Moderate
Quick processing
Pounding
30-60 minutes
Moderate
High
Yucca, agave leaves
Chapter 3: Reverse-Wrap Twisting
Reverse-wrap two-ply cordage: 1) Take a bundle of fibers (pencil thickness for medium cordage). 2) Fold bundle at a point 1/3 from one end (unequal lengths). 3) Pinch at fold point between thumb and forefinger. 4) You now have two strands: one short, one long. 5) Twist the strand closest to you away from you (clockwise). 6) Wrap that twisted strand over the other strand (toward you). 7) Now twist the new closest strand away from you. 8) Wrap it over. 9) Repeat: twist away, wrap toward. 10) The opposing twist directions lock the cordage together. 11) To add fiber (splice): lay new fibers alongside a thinning strand. 12) Twist new fibers in with the existing strand. 13) Stagger splices (never splice both strands at the same point). 14) Continue until desired length is reached.
Cordage Type
Strands
Strength
Flexibility
Difficulty
Two-ply (basic)
2
Good
Very good
Low
Three-ply
3
Very good
Good
Moderate
Four-ply
4
Excellent
Moderate
Moderate
Braided (3-strand)
3
Very good
Excellent
Low
Braided (4-strand)
4
Excellent
Very good
Moderate
Chapter 4: Rope Making
Rope Size
Cordage Needed
Method
Strength
Use
Twine (1/8 inch)
2-ply cordage
Hand twist
20-50 lbs
Binding, sewing, fishing
Light line (1/4 inch)
3-ply from 2-ply strands
Hand twist or rope walk
50-150 lbs
Lashing, snares
Medium rope (3/8 inch)
3-ply from light lines
Rope walk
150-400 lbs
General purpose
Heavy rope (1/2 inch)
3-ply from medium ropes
Rope walk
400-1,000 lbs
Hauling, rigging
Cable (3/4+ inch)
3-ply from heavy ropes
Rope walk
1,000+ lbs
Heavy lifting, mooring
Rope walk method: 1) Attach three strands to hooks on a rotating bar. 2) Stretch strands out to full length (rope walk can be 50-100+ feet). 3) Attach other ends to a single hook that can rotate freely. 4) Twist all three strands simultaneously (crank the rotating bar). 5) As strands twist, they naturally wrap around each other. 6) A separator (top) keeps strands from tangling prematurely. 7) Move separator along the length as rope forms. 8) Continue until entire length is twisted into rope. 9) Secure ends with whipping (tight wrapping with thin cord).
Chapter 5: Testing and Applications
Application
Minimum Strength
Recommended Cordage
Knot Factor
Fishing line
5-20 lbs
Fine 2-ply
Knots reduce strength 30-50%
Snare
20-50 lbs
Medium 2-ply
Use strong knots
Bow string
60-100 lbs
Heavy 2-ply or 3-ply sinew
Must not stretch much
Shelter lashing
50-100 lbs
Medium 3-ply
Square lashing distributes load
Climbing
500+ lbs
Heavy rope (3/8+ inch)
Test before trusting life
Hauling
Varies
Sized to load
Safety factor of 5x
Reference Card
Twist away, wrap toward (the fundamental motion of reverse-wrap cordage: twist the near strand away from you, then wrap it toward you over the far strand). 2. Stagger your splices (never add new fiber to both strands at the same point; stagger splices by at least 2 inches to maintain strength). 3. Dogbane is the strongest wild fiber (dogbane inner bark produces cordage rivaling commercial string; learn to identify and process this plant). 4. Retting makes extraction easy (soaking stems in water for a week lets bacteria break down everything except the strong fibers; patience saves labor). 5. Sinew is the strongest natural cordage (dried animal tendon, pounded into fibers and twisted, is stronger than any plant fiber). 6. Knots weaken cordage (every knot reduces cordage strength by 30-50 percent; account for this when sizing cordage for critical applications). 7. Thicker is not always stronger (three thin, well-twisted plies are stronger than one thick, poorly twisted strand; quality of twist matters more than bulk). 8. Cordage is the universal connector (without cordage, you cannot build shelters, make tools, set traps, or create clothing; it is the most important primitive technology).
