Restraints, specifically handcuffs, can cause permanent injury if not used with extreme caution.
: Laws increasingly restrict the use of mechanical restraints on students in schools, often limiting them to emergency situations where there is a risk of physical harm [5]. 3. Escapology and Skill-Building freeteenhandcuffed
If your interest is in the hobby of escapology (the art of escaping from restraints): freeteenhandcuffed