Why would a making a wallet require "half a cow" ? Is making a leather wallet as nearly-impossible as he claims? http://www.instructables.com/id/How-to-make-a-

Why would a making a wallet require "half a cow" ? Is making a leather wallet as nearly-impossible as he claims? http://www.instructables.com/id/How-to-make-a-leather-wallet-2/ http://www.instructables.com/id/How-to-make-a-leather-wallet... The video feels like infomercial schtick.