I have been sworn to secrecy that Dave is intending another career as a Russ Conway impersonator, and this is the first step on the downward slide.
The till was supplied by the same company that provided the "Open all hours" till, which is an alternative explanation.
While at the CADMA show I got one of is "servo swingers". A magic piece of kit, now I can play with my servos and ESCs and such without trying to remember where I hid my transmitter, or, having found it, remembering to switch the dumn thing off after use and before taking it to the pond. I've been meaning to get one or make one for ages. Having got one for less than the parts would have cost from one of the major retail parts suppliers, I reckon that every home should have one. Gather round and contribute to Daves Savlon fund.