Keep even pressure on both stirrups and work on your light seat.
definitely no stirrup work! Works wonders
No stirrup work can be very helpful as it allows you to stretch your legs long. It also helps to think about just lifting your big toes, as this will result in your knee being taken further from the saddle and your lower calf pushed in.
Trotting without stirrups and open your knee
I like to imagine like I’m sitting on an exercise ball and I’m trying to get bring the ball, or the horses sides, up towards me. :) good luck Abby !