The pigskin heads were tacked to the wooden shells with metal tacks. Some upholstery hammers have a magnetized face, to pick up tacks. A sheepskin or goatskin head is stretched and secured with glue, tacks or both. New elements included fluorescent light tubes, scattered thumb tacks, flaming ropes and live piranhas. The windward leg involved fifty-two tacks. Djembes may also be decorated with cowrie shells, coloured paint, decorative tacks, or other metalwork. Surgeons inserted three tacks to anchor the labrum. The two vessels exchanged broadsides on opposite tacks. Ovechkin currently uses the Ribcor Trigger stick and Super Tacks AS1 skates. Two stolen circular saws and iron tacks were tried and found not to be bulletproof. Ashikos tuned by lugs and metal tacks are nowadays also produced. Ten years on, they're sharp as tacks. As the boat tacks they change over. These so-called "courting tacks" make a clear track in the snow. "tacks", meaning to consider basic facts of a situation.