Dasco have a much simpler solution, with new Angel Feet Gel Cushions to go inside the shoe. 

Wearing high heels throws the weight of the body onto the ball of the foot which, then taking the full impact of each step, can cause a great deal of discomfort.  The superior cushioning effect of Dasco Gel Cushions helps prevent pain and makes you feel like you're walking on air.  These 'invisible', ultra thin half insoles have a non-slip grip to help keep them in place and are washable. 

Perfect for all types of high heel shoes, mules, sling-backs and sandals, they are available in one size to fit all.