Detachable toe strap and ankle strap mounting arrangement for a simple shoe

A detachable toe strap and ankle strap mounting arrangement for a shoe, the arrangement comprising:

• at least one pair of locating members bilaterally embedded in a sole of the shoe, said locating members each comprising a flat mounting base, and at least one upright coupling block raised from said flat mounting base, said upright coupling blocks each comprising a longitudinal plug hole, and a serrated constraint tongue suspending in said longitudinal plug hole;
• at least one pair of mounting strips, said mounting strips each comprising a transverse insertion slot at a top side, and at least one downwardly extended, serrated plug strip at a bottom side for plugging into the plug hole on the upright coupling block of said at least one pair of locating members for engagement with the corresponding serrated constraint tongue;
• and
• at least one strap fastened to said mounting strips for securing at least one part of the user's foot to the sole, said at least one strap each comprising two ends respectively inserted through the insertion slot on one pair of said at least one pair of mounting strips and fixedly secured thereto by stitches, a hole, and a pin kept in the hole, said pin being used for insertion into the plug hole on the upright coupling block of said at least one pair of locating members to disengage the respective serrated plug strip from the respective serrated constraint tongue.