weight belt 
noun
A belt to which weights are attached, designed to help divers stay submerged.A diver, sitting on the gunwhale of a boat, wearing a weight belt but without scuba gear or fins, is flirting with disaster....
- Depending on your personal strength level, you may or may not be able to add weight via a weight belt and plates or a dumbbell when you chin.
- Start out with 10 pounds of additional weight suspended from a weight belt and add more as you get stronger.
- shut (or bolt) the stable door after the horse has bolted
- shutout
- shut-out bid
- shut someone/thing away
- shut someone/thing in
- shut someone/thing out
- shut something up
- shutter
- shutterbug
- shuttered
- shuttering
- shutterless
- shutter priority
- shutter release
- shutter speed
- shut the door on (or to)
- shut the stable door after the horse has bolted
- shuttle
- shuttlecock
- shuttlecraft
- shuttle diplomacy
- shuttler
- shuttle run
- shuttle service
- shut up (or shut someone up)