4shu is user friendly and can be simply mounted before and after the drive.

It is made of an elastic material shaped to simply "fit" the shoe.

Dent on the rounded part will prevent unintended slipping of 4shu,
especially if you are wearing flats.

Leather inserts on the inside: 

  • prevent accidental sliding off as a result 
    of typical moves of your foot while driving
  • enable 4shu to softly “sit” without 
    damaging the outer surface