Lather hands and wrists in Crisco...It's about to get sticky.
Grease counter space
Dump mixture onto greased space
Add the rest of the powered sugar and keep kneading!
Regrease counter as needed
If it tears easily, it's too dry and add water
Knead until its a smooth elastic ball
Make in advance to allow little bits of sugar to dissolve
Will hold in the refrigerator for a few weeks