Jammed In
The jammed in radical and the jammed in kanji are the same!
Know your radicals, yo!
かい
None
すけ
Look down! You're jammed into something. You can't move your feet. What is this?! Oh, your body's been jammed in a kayak (かい).
Picture yourself jammed into a kayak. Your pants are bunching and sticking out the sides and top. You really don't fit in here.