Check out the way the immobilizer arm splints are used on a captive by Rank in this video from SeriousMaleBondage:
In this shoot, Rank tests the endurance of his rubber gimp with some stressful bondage. Rank’s trick is to stimulate the gimp with a vibrator so he is able to tolerate more extreme suspension positions provided by an overhead winch. It’s friggin hot how he struggles. Poor guy! See the results of this awesome style of bondage play at SeriousMaleBondage.com.
To learn more about the immobilizer arm splints, visit Sinvention