Tool to unscrew tyre valve caps (outil à dévisser les bouchons de valve de pneu)

It is important to verify regularly the pressure of tires. But it is unpleasant to get dirty hands to unscrew the valve tyre caps which are always very dirty. Then here is a small very practical tool which allows to unscrew these caps and to rescrew them without having to affect them.

Il est important de vérifier régulièrement la pression des pneus. Mais c'est désagréable de se salir les mains pour dévisser les bouchons de valve qui sont toujours très sales. Alors voici un petit outil très pr