How can I make my sunglasses looser?
Remove the sunglasses and place them on a clean towel. Pat them dry with the towel to remove excess moisture, but leave the legs warm from the water. Place the sunglasses on your head. Pull the legs away from your face and release them repeatedly to stretch them.
How do you loosen plastic glasses?
To make any slight adjustments to the frame, run any plastic parts under hot water or heat with a hair dryer for 2-3 minutes and then carefully bend. If the frame slides down your face too much you can bend the earpiece closer to a 90-degree angle to tighten the fit.