For my sissy's second training scene, she is dressed in thigh high PVC boots, with sky high stiletto heels, and cuffed onto a bench containing a large, tapered dildo. Fitted with e-stim electrodes, she is zapped and humiliated until she has made satisfactory progress in stretching her pussy out for me. I gag her and make her lock herself in chastity, before throwing away the key and leaving her to sit in this predicament until my return.