and i continued working on Sonsaku
while i was working on the left arm, i noticed that the slot for hip ball-joint had cracked, making the leg to be unable to stay good and tends to fall off everytimes..
so i scratched my head...
and i ended up making new hip joint..
which is..

OO'S STYLE DOUBLE INSERTION JOINT~!!!!!
SD with 180' split anyone? XD