kicking strap BrE
boom vang AmE

Raising and lowering the sprit and adjusting the boom vang allow for adaptation of sail trim to a range of wind conditions.

A boom vang, out- and downhauls for sail control standard.

He also popularised the kicking strap, or boom vang (US).

Double and triple blocks are added to the boat's boom vang, backstay and outhaul.

Moments after hoisting the spinnaker, the boom vang aboard America One parted.

The Force 5 has full sail controls, including a cunningham, outhaul, boom vang, and traveller.

By controlling leech tension, the boom vang is one of the three methods of controlling sail twist.

Sailors may also adjust the trim of the sail to account for low level wind shear, for example using a boom vang.

A boom vang pulls down on a boom.

If the boat has a boom vang, release the vang to stop a broach rather than easing the mainsheet.