If forethinking is only good if properly skinned, then foreskinning is...
Anyhow, be careful with that briefcase. Rub it too much and it might turn into a steamer trunk.
and don't take it out in the cold, it might turn into a wallet!
Is this where we put in the story of the mohel who never charged for his services?
He only took tips.
from a wallet made of some kind of skinned thing!