Detachably attachable weight clip for barbells

A weight clip system for detachable attachment of a free weight to a barbell, comprising:

• said barbell and said free weight;
• a weight clip comprising:
• a mounting collar configured for sliding on said barbell having an interior surface configured to extend around said barbell;
• a collar set screw that extends through the mounting collar and configured to secure the mounting collar to said barbell;
• a shaft extending from the mounting collar and having a collar end coupled to the mounting collar and a hook end opposite to the collar end;
• a hook, wherein the hook is connected to the hook end of the shaft configured for hanging a free weight thereon;
• a hook set screw that extends through the hook to secure said free weight to the hook;
• wherein the collar set screw has thumb flanges to enable manual tightening of the collar set screw against said barbell;
• a hook-shaft coupling configured to allow rotation of the hook relative to the shaft;
• a swivel-lock configured on the hook to extend over the shaft and configured to prevent rotation of the hook with respect to the mounting collar;
• a collar set screw extending through the mounting collar and configured to secure the weight clip to said barbell;
• and
• a hook set screw extending through the hook and configured to secure said free weight to the hook;
• wherein the hook set screw has thumb flanges to enable manual tightening of the hook set screw;
• wherein the interior surface of the mounting collar forms a ring;
• wherein the interior surface of the mounting collar comprises an interior liner that is an elastomeric material configured to dampen vibration of the free weight detachably attached to the weight clip;
• and
• wherein the shaft has shaft threads and wherein the swivel-lock has threads that engage with the shaft threads;
• whereby tightening the swivel-lock by rotation of the swivel-lock prevents the hook from rotating with respect to the mounting collar.