Teasing by Mistress With Maid and Kalis Teeth Ring

Miss Medea has support of her maid Yara. Right at the beginning she makes use of her and orders her to tie Cosmo's hands behind his back. She willingly complies with this request.
Cosmo stands in front of the bed and Yara is now supposed to blow on his cock already a bit so that Miss Medea can then proceed to the actual plan. The CBT.
As soon as the cock is aroused a bit, the dreaded spilke ring is unpacked. Attached to the dick, it will cause great pain at the slightest arousal. Medea describes it aptly: "Der Sklave soll sich fürchten noch geiler zu werden!" What means that he slave should be afraid to become even hornier...