means 19 seen within cutaway socks 20 of fig1 telescoping adjusting means 19 is of course used to adjust the height or length of legs 18 in fig4 height adjusting means 15 is shown with tension spring 21 which urges tension pin 32 into one 1 of a plurality of openings 33 along extension receiver 17 as would be understood telescoping adjusting means 19 operates in an identical manner to height adjusting means 15 as seen in fig4 enlarged for clarity in fig4 tension pin 32 can be urged inwardly out of opening 33 by thumb pressure and cylindrical extension 16 is then slid upwardly or downwardly within extension receiver 17 to the desired height with pin 32 locking into the desired opening 33 of receiver 17 leg adjusting means 19 operates in the same manner for an additional height adjustment of form 10 height adjusting means 15 may provide twelve to eighteen 12 18 inches of adjustment distance whereas height adjusting means 19 may provide only six to twelve 6 12 inches thus by providing two 2 different height adjusting means within form 10 the user can better simulate a player having either long legs or a longer upper torso to better represent a particular opponent of an upcoming basketball game as different defensive players may be built differently and require different shooting techniques for the best.