to fig1 5 a first embodiment of my invention has a handle 20 with a hand held upper end 21 handle 20 may be of wood of sufficient diameter to form a comfortable hand hold it may also be of any other suitable material the lower end 22 of handle 20 is fixed in socket 23 which is welded to the back of bracket 24 at a suitable angle so that bracket 24 is substantially vertical bracket 24 has upper and lower forwardly bent flanges 25 and 26 which receive the pins 27 and 28 to pivotally mount the plates 29 and 30 a coil spring 31 urges each plate 29 and 30 to swing outward tapered bosses 33 and 34 are pressed to extend outward from the sides of the plates 29 and 30 to a greater extent toward their free ends as may be particularly seen in fig2 and 4 rigid solid jaws 35 and 36 which may be substantially square in section are attached to be cantilevered forward above plates 29 and 30 forming the slots 37 and 38 thereunder an actuator 39 slides on handle 20 and has a rod 40 connected to it referring additionally to fig3 side flanges 41 and 42 are bent forward from bracket 24 member 43 is vertically pivoted from the flanges 41 and 42 by the arms 45 and 46 which terminate in the outward turned ends 47 and 48 which enter the flanges 41 and 42 the central portion 44 of member 43 is pivotally connected to rod 40 arms 45 and 46 have tapered rollers 49 and 50 mounted on them pushing the actuator.