Thursday, September 17, 2009

A DIY Winch

The DIY Winch is a simple one way tightening device that works with rope. I have dozens of these at hand because they work so well. You basically need two solid metal rings, the guage depends on the application, two pieces of rope (no thicker than the diameter of the metal used to make the ring) an anchoring object and a couple weaves of the rope.

Create a simple larks head knot over both rings using the lark's head of one piece of rope. This rope should be about two feet long which after folded in half and knotted will provide several inches of rope to tie to your anchor point.

Your other rope needs to be woven into the two rings in a very specific manner. Instead of even trying to describe it, here's a picture to look at:





The image shows a tied knot at the two rings, I prefer always to use a larks head knot since you cannot untie it under tension. The "draw cord" is also a single line, and I typically use another larks head and have the two ends result in the "pull cord."

Using this method allows you to pull the rope through only one direction. It's my most valuable tool for self-bondage because it's so cheap and offers a very effective method for inescapable scenes.

The example is inteded for suspension, hence the durable 3/4 inch metal rings. I use a variety of different sizes from 1 inch, to tiny curtain rod rings. I use rope, fishing line, and even simple string to tie off a variety of things.

The device is safe, even for suspension, and has little give. You can tighten your own wrists simply by pulling on the coord your wrist is tied to. And you can anchor them across a room if you need because the rope is reusable in the device.

When used for suspension, you'll need to find someway to remove any tension on the line to lower the person back down. You'll want to look out for rings that are not well made, they can be a weak link and are not recommended for suspension bondage. Even decent ones from Hardware stores are only rated up to 200lbs. If you want to use this for suspension check out a marine shop or search online.

Also watch out for rough edges where the rings join themselves. This can tear into your rope, ruining it for any form of suspension.

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