From the learn from my mistakes so you don’t have to experience these yourself file:
When folding heavy wooden tray tables for storage, remember to first remove your finger from the hinge.
When removing glass shelves from a china cabinet, remember where the bridge of your nose is in relation to the upper glass shelf.
ouch.
this is one time I am happy to have the Osborne nose!
I cwosed the doow and fowgot to take my hand out!
You would think I would have learned by now!