Alternating warp threads pass through a heddle, as in a rigid heddle loom. Rigid heddle looms resemble the standard floor loom in appearance. The double heddle loom and single heddle loom might be of African origin. Today, commercially produced backstrap loom kits often include a rigid heddle. A heddle is an integral part of a loom. In rigid heddle looms the beater is combined with the heddles. Each heddle has an eye in the center where the warp is threaded through. The warp must be able to slide through the heddle without impairment. The soloists were Heddle Nash, Gladys Ripley, Dennis Noble and Norman Walker. Matthew Forster Heddle found the quarry a good source for the minerals tourmaline and beryl. Golfers play at the course of the Lancefield Golf Club on Heddle Road. Verbrugge NV in Belgium and Steel Heddle Inc. in the USA were acquired in 2001. The area's first church, the Anderston Relief Church in Heddle Place, was erected in 1770. The heddle should also be light and not bulky.