Manually powered amusement device

Marine burial container

Marking device for a recording apparatus

Martial arts 360 degree striking target

Martial arts apparatus for holding paper taut

Martial arts board holding device

Martial arts practice bag

Martial arts practice device

Martial arts practice device with breakage

Martial arts striker device

Martial arts striking apparatus

Martial arts striking machine

Martial arts training apparatus

Martial arts training apparatus and method

Martial arts training device with reactive arms

Mask for exercising facial muscles

Massage-functional pedal structure

Mat for sports and athletics

Mattress exercise apparatus

Mausoleum construction