Make your own clay-sculpting loop tools-revised version (updated 7 Sept 09)

Step 11 Get twisting

Put the ends into the jaws of a pair of pliers, molegrips or metalworking vice. Insert a tool or strong rod such as a screwdriver in the loop. Now you can grasp both ends of the wire

Twist the ends in opposite directions, working against the resistance of the wire.

Keep going until the wire starts to buckle and loops onto itself. The more you twist, the tighter the ripples will become, and the finer the finish when using the tool