Hang from the rings in a grip position keeping the legs hanging or also (for greater difficulty in L sit, use a false grip for greater comfort at the time of transition). Pull until your hands are close to the lower part of the chest and change to a position of ring dips down. Finish the movement by completely extending your arms, and repeat.
dorsals, biceps, chest, triceps
triceps, chest, chest
back, dorsals, core, lumbar