Adjustable binding-fixative-massaging device for condoms

This innovation relates to an adjustable binding-fixative-massaging device for condoms, referring to a fastener design adapting to the caliber of the root of the male penis for fine-adjustment binding-fixation of condoms enveloping penises, to prevent slipping off of condoms during coitus; with providing a massaging device of pipe-shaped body with one big and/or numerous small massaging protrusion/s and a vibration-transmitting device through a central hole of the pipe, for forming high-frequency oscillation to intensify erotic massage of the protrusions stimulating the female clitoris and increasing the efficacy of delight during coitus.