https://ageofbondage.com/collections/magbound%C2%AE-compatible-gear/products/retrotimer-magbound-time-lock
MagBound® RetroTimer - Classic Self-Bondage Timer | Age of Bondage
Dedicated MagBound® timer with clear mechanical interface and digital timing. Direct plug-and-play control for self-bondage sessions.
self bondageclassictimer