This Momo Demon Devil Heart-Shaped Tsurikawa is very Popular among Japanese Youngsters.
The Ring is in Hard PVC, The Fastener is in Steel and the Strap is Made of Nylon-Reinforced Plastic.
You can also use it as a tow hook but you can try to hold on to it while your friend drives your car, no problem.

Package Includes:
X1 Momo Demon Devil Heart Strap Tsurikawa