MEDcaTM Shoe Stretcher
The medca shoe stretcher is made to stretch out your shoes that may not fit you properly so you can enjoy wearing them. The shoe stetcher also helps Relieves discomfort from common foot problems such as bunions, corns, calluses, misshapen hammertoes, and uneven foot sizes.
I suggest leaving them in your shoes either over night to 24 hours.
I wish they were easier to work with honestly..
(I received this product for free or at a discount price but my opinions are my own)