Off the shelf toe spacers may not suitable for all wearer because the space between 1st toe and 2nd toe is different in different person.Off the shelf toe spacersmay slide away, which cause the uneven foot pressure and could not walk comfortably.

Custom-made toe spacer has the similar functions as off the shelf one. However, it's contact surface is much more than off the shelf one. The toe space can be fulfilled which makes the foot pressure more even.