Slapping and spanking never helped me much with the BabyPB, what I always did when I had intermittent stiction problems with one of them was to set it up on a hard surface, (back legs extended) lift the front up by about 1 1/2" . . . [}] ]'> . . . and then drop it! [:O] ]'>

. . . it never hurt mine, but YMMV! [] ]'>