A Tic Tac Pin (also known as a snap clip or glitter snap hair clip) is a small, flat metal or plastic hair accessory that snaps open and closed to hold hair in place. They are popular for securing small sections of hair, especially for women and children.

No, as long as they are removed correctly. The main damage occurs when they are pulled, pried, or ripped off, which can strip layers from your natural nail. Safe removal methods involve soaking to break down the adhesive.

You can remove them by soaking your fingertips in warm, soapy water for 10-15 minutes to soften the glue, then gently wiggling or lifting the press-on nail from the edges using a wooden cuticle stick. For stronger glue, an acetone soak is effective, but it will likely ruin the press-ons. Always be gentle and never force them off.

A slap bracelet is primarily a novelty or fashion accessory that is made of a flexible, bistable spring band sealed in fabric or silicone. When slapped against a wrist or ankle, it instantly curls and wraps around it. They are also often used as promotional items, and reflective versions are popular for increased visibility for bicyclists or pedestrians.

It depends on the quality of the press-ons and the removal method. Nails applied with adhesive tabs or removed very gently with a warm water/oil soak have a higher chance of being reusable. If you use acetone to remove them, they will likely dissolve or become too distorted to use again.