whip or lash / to flog / to whip / conductor's baton / segmented iron weapon (old) / penis (of animal, served as food)
鞭
=
便
+
革
:
Brunhilde (bi) is working on her skill with the whip (鞭) in front of the anthill (an1). She spans a cow's hide (革) like a trampoline and throws her mobile phone (便) on it. She then starts to whip (鞭) the mobile phone up and has it jump on the cow's hide just for fun.