You know those gadgets the delivery man hands you when you have a parcel to sign for..............
How long do you think it would take to clean off the huge dollop of treacle that you didn't notice on your hand when you took the gadget from him......?
Extra points for guessing what he was muttering under his breath while he stood in the hall tapping his foot and rolling his eyes.....☻
Pardon gness... but I see a national treasure has answered your post and just want to say "Hi, grasscarp... hope you and yours have a Merry Christmas!"