Amazon Free App of the Day:

Tie, untie and rotate 100+ knots with your finger in 3D!
Knots 3D, our top-rated 3D knot app, will give you a whole new perspective on knots! Grab a piece of rope and have fun!

– #1 Knot Reference in 75 Countries*
– Included in Scouting Magazine’s “Ultimate List of Scouting Apps” and featured in the Trek Tech section of the Sep/Oct 2012 issue.

Have you ever wondered what a knot looks like rotated 40° or maybe 90°? Or maybe you want to see what a Trilene knot or Constrictor knot looks like from the back? Use your finger to spin the knot and see how it looks from any angle in 3D!

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