Overhand and reef: the most basic knots
The overhand prevents rope-end fraying; the reef connects two same-thickness ropes - the start of all complex knots.
The start of all complex knots
The overhand is the simplest knot - prevents rope-end fraying, and is the first step of countless complex knots.
The reef (square) knot connects two similar-thickness ropes; note it slips under single-side load and isn't for load-bearing.
These two look simple but are the entry to the four-word mantra thread, wrap, press, pull - all later knots build on this spatial logic.
Get the overhand and reef line directions fluent in 3D, and the bowline and clove hitch come much faster.
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FAQ
What is Knot Tying 3D?
Knot Tying 3D is an app that teaches knot tying through immersive 3D animation, covering 7 scenarios - fishing, climbing, camping, boating, rescue, decorative, daily - with 222 carefully selected knots explained step by step and offline learning support.
How is 3D animation better than flat diagrams?
Flat diagrams struggle to show rope's over/under stacking and threading direction. Knot Tying 3D breaks each knot into 4-8 steps, highlights the current step in blue, and lets you view from any angle in 3D - beginners grasp it in one pass.
Download Knot Tying 3D and master every knot
222 carefully selected knots across 7 scenarios - fishing, climbing, camping, boating, rescue, decorative, and daily - with step-by-step 3D animation and offline learning.