Paddy and Shaun down their shovels for a break. Paddy says to Shaun "here Shaun, try one o' dees sandwiches" Shaun takes one and bites into it - "what the hell is in these Paddy?" says Shaun "Crab Paste" says Paddy. Be Jaysus, where did you get it from" says Shaun. Paddy replies........."I saw it in the Chemist this morning"