Basic selfbondage techniques and devices
Stock Lock
By Eric Oops

   
 
This is a description for a timed selfbondage Stock Lock made by Eric Oops for Miss Nina.
 


Details:
4cm thick wood, about 115cm in length and weighing approximately 3kg.
 
The magnet is a Hekatron door magnet 24v DC. It has got 686N (80kg) holding force, so you can’t get it apart.. even when you put your weight into it. It’s connected to the wall outlet through a currency converter (from 220v AC to 24v DC) and an electronic timer in between. The timer can do a countdown from 24h to 1 minute.
 
The magnet was put in the middle because there was enough space. Placing it on the side (at the opposite side from the hinge) wouldn’t look that good and it would be more vulnerable. The way it’s mounted it’s that the subside is completely flat and no cables can be reached.
 
The stock must be fixed to a stationary object with a chain or rope shorter than the power cord (to prevent pulling it out or tearing apart).


Dom Side
 

Dom Side
     

Magnet Dom Side
 

Magnet Sub Side
     

Open Angle
 

Open Front
     

Sub Side
 

Sub Side
     

Timer
 

Complete Setup
 
 

Designers notes:
 
It took me about 2 weeks. … Watching the paint dry was a kind of selfbondage as well :)
But actually it’s quite easy to make but you will need some tools.
 
I started with 2 pieces of timber, cut at the right length. When you push them together and hold them in place with something (like the hinge will do later on) you can easily cut the holes with one of those hole-drill bits. The size of the holes is of course custom made for your own ankles and wrists. It does take a lot of sanding and moulding before it fits you.
 
The pieces of timber on the side act as stabilizers when closing the stock.
 
Getting the magnet in right does take a lot of measuring.. you want to have a bit of tension on the magnet when it’s locked. When it’s higher than the stock it doesn’t close all the way, when the magnet is placed to low, it won’t lock.
 
By the way, just buying one of these magnets is also a good start.
 

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