Quotes: Clingy MacGuffin

Leaving a Truly Owned object around can be dangerous. If it takes a tidal wave or an earthquake to bring it to you, when the spell has built up enough potential you'll get a tidal wave or an earthquake, and all the damage that would cause.

SheZow legend clearly states that "Whoever shall weareth the ring shall forever bear the responsibility of SheZow!"
Kelly Hamdon, SheZow, "SheZow Happens!"

Nanny Ogg: You ever throw a magic ring in the middle of the ocean and then when you get back for your tea it's sitting on the table looking at you?
Granny Weatherwax: No, Gytha. And neither have you.