[b-] Bart Simpson is in the [4] bathroom of the [-(e)i] beach house by the bay. 亻 Slenderman, who he met at the beach, wagers that Bart can't knock him out. Bart hits him many 倍 times in the head with a pool toy, and then with a toilet lid, but can't knock 亻 Slenderman out. 亻 Slenderman smiles and shows he has a magic 咅 mouthguard that protects his entire head somehow, making him several 倍 times stronger!