The invention relates to a stick whose shoe (3) is equipped with a tip (6) movable reversibly by means of a rod (12) slidably disposed in the tube (1), said rod having an upper end connected to a push button (9) and a lower end carrying an upper member (13) having a lower cam surface; a lower member (20) under which the tip (6) is associated, said lower member being provided with an upper cam surface; first resilient bias means of the upper member (13) in the upward direction on a reversible actuation stroke; second resilient bias means of the lower member (20) in the upward direction on a reversible stroke of movement of the tip (6); a housing (5) in which the members (13, 20) are slidably disposed, the cam surfaces being arranged for, on the actuating stroke of the lower cam surface, inducing movement of the lower member (20); ).
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