platform a base 90 may be attached to the frame 10 and is shown in fig7 the clamping base 90 has a compression screw 92 provided for clamping the base against a boat or board 94 the clamping base 90 can be provided simply by a u shaped channel having a portion of its flange sheared and bent down as shown at 96 with the compression screw 92 threaded through a nut 98 attached to one of the flanges of course the clamping base 90 could be provided with a post and wing nut as is shown at 76 of fig1 if desired the use of the post 58 and wing nut 60 on the frame 10 permits the use of a number of various accessories if desired for example the clamping base 90 could be a ball and socket swivel type arrangement if desired another variation of the device is shown in phantom in fig1 instead of the torsion spring 16 engaging the hanger 22 and being mounted on the bushing of the nut 40 a coil spring 16 39 outlined in phantom could engage the flange at 100 and be attached to the cradle plate 12 at 102 as shown the torsion spring 16 is however preferred because it is permanently held in place and cannot be easily disengaged the post 58 and wing nut 60 on the frame 10 of the fishing pole holder can be adapted to any number of accessories such.