I can’t even imagine what this “weapon” would look like.  Too bad no picture was provided.

Man in shop raid armed with metal pipe, spring and pen nib

Ross McLeod, 37, admitted committing the offence at Ladbrokes on Wellmeadow Street in Paisley, Renfrewshire, on April 7.

Manager Fiona Moffat told the High Court in Glasgow McLeod came into the branch and placed the six-inch device on the counter.

She saw a spring had been inserted into one end of the pipe and a fountain pen nib at the other.

McLeod told Ms Moffat “This is a hawd up, gies the money.” He then pointed the pipe at her and said: “Gies the money or I’ll blast you.”…

https://stv.tv/news/west-central/1397193-robber-fashioned-homemade-weapon-from-pipe-and-pen-nib/