MORE DURABLE & SMOOTHER THAN WOODEN SHOE STRETCHER: Unlike wood shoe tree, wavraging shoe tree for men is made of more environmental friendly polyurethane plastic and premium stainless steel shaft. The plastic shoe expander will not go corroded or deformed as time goes by like wood shoe expander, more durable and pleasing to the eye. SIMPLE STEPS TO USE: The metal shoe stretcher is easy to use. Adjust your shoe widener pair in no time and treat your feet the way they deserve! Simply insert the premium shoe shaper into your shoes with heel block close to the heel and turn the knob clockwise quickly to stretch them to the desired length. Turn the J shaped crank handle clockwise to expand them to the desired width. Then it is all done. Leave the shoe-stretcher in the shoes for 24 to 48 hours and enjoy the peerless comfort! ENDLESS FITNESS & EASE YOUR MIND: The professional shoe stretchers fit sandals, flats, casual shoes, canvas shoes, sports shoes, high heels (