One method of penile vibratory stimulation is the use of specialised devices that are placed around the glans penis to stimulate it by vibration.[1] Alternatively, a powerful wand vibrator of the type used as sex toys can be used.[2]
^Brackett, Nancy L.; Lynne, Charles M.; Ibrahim, Emad; Ohl, Dana A.; Sønksen, Jens (2010-02-16). "Treatment of infertility in men with spinal cord injury". Nature Reviews Urology. 7 (3): 162–172. doi:10.1038/nrurol.2010.7. ISSN1759-4812. PMID20157304. S2CID20110581.