Keep fingers safe
Pinch a match with a spring-type clothespin to light fireplaces and tricky candle votives.
Light-proof your hotel room
Clip hotel drapes together to keep out glaring rays (and eyes). (Related: Try these 17 tips to sleep better on vacation.)
Separate these cords
Label clothespins with permanent marker (TV, DVR, DVD, Stereo, Phone, etc.), and use them to identify the cords that belong to each appliance.