Beth has solved a problem I was NEVER able to solve myself! I had just resigned myself to sticky elbows for years!
I have a 2.5yo who loves fruit — watery, dribbly, messy fruit. It used to roll down his arms into his sleeves. If I rolled up his sleeves, it just rolled down to his elbows and gathered there. I decided to put the socks he's grown out of to use. I cut off the toes and now use the cuff like a tennis wrist band, to catch the drips. We keep a couple of pairs with his bibs so there nearby when we need them.
And yet another good use for the ever-hackable BabyLegs!