The Jsmrang is the first gadget that Jsmboinick crafts. It debuts in Jsmboinick Returns, when Jsmboinick is trying to defeat a mercenary called Killer Shot.
There are many types of Jsmrangs:
- Normal Jsmrang. The original Jsmrang that Jsmboinick built. It first appeared in the second film.
- Remote Control Jsmrang. It first appeared in the fourth film when Jsmboinick tried to catch Knightman with it.
- The Jsmrang is a parody of the Batarang.