Strap-on

Strap-on can refer to:

• Strap-on booster, a rocket motor which is used and then discarded
• Strap-on dildo, a sex toy
• Strap-on keyboard or "keytar", a keyboard instrument or MIDI controller that can be worn on a strap like a guitar
• Vortech Meg-2XH Strap-On, an American foot-launched helicopter design