end portion 6 in any other conventional manner as such teaching is well known in the art a further detailed description concerning the same is not provided a support member 24 is mounted on an exterior surface 19 of the elongate shaft 8 adjacent the hand grip 4 the support member 24 provides support for the pivotable lever 20 the support member 24 can be formed as part of the elongate shaft 8 or can be a separate piece securely attached to the elongate shaft 8 e g glued welded etc at a desired location the support member 24 carries a pin 26 which extends through an intermediate portion of the pivotable lever 20 to provide a pivoting connection to the pivotable lever 20 the pivotable lever 20 has a first arm 28 a second arm 30 and a third arm 32 see fig2 which all extend from the intermediate portion of the pivotable lever 20 the first arm 28 extends from the intermediate portion generally in the direction of the first end portion 6 but forms a sight angle therewith e g an angle of about 30 u00b0 relative to the elongate shaft 8 this angle can vary as long as a sufficient distance is provided between the first arm 28 and the elongate shaft 8 to allow a user to depress the first.