A SOTA need to have a proper setup to used, they need to have the arm balances to the other three corners. and the table need to be placed and level the platter. It's not the type of table you can just carry around a willy nilly place down and use.
If you have some Teflon tap it will be good to used if you follow these instructions. Your feet look screwed in almost all the way, the fact is they act as bump stops for the sub chassis. Your skips are most likely coming from the sub hitting the feet.
Secure the arm with a twist tie. since you have a head shell take it off so you don't hurt your cart.
Tip the table on the motor side edge.
Unscrew the feet all the way off.
Sloppy cource threads benifet here with some Teflon tap
Re-tread them on but just a very little, one twist
Set the table back on it's feet.
Now level the platter, trying to use only one or two feet as little as posable. You need to have the platter level but you want to keep the rubber feet as far from the sub chassis as posable. This way as the platter, arm and sub bounce they will not come in contact with the feet (bump stops)
Look at this vid and how much I am pushing down on the table and how much travel I have.