Changes

}}</ref> It is ''not'' necessary to retract the [[foreskin]] while masturbating. If the foreskin is of adequate length, then the [[foreskinned]] male will usually keep it forward for additional stimulation. Keeping the head covered by the [[foreskin]] also protects the sensitive [[mucosa]] covering the [[glans penis| head]]. The motion of the foreskin, as in [[gliding action]], stimulates the nerves ([[Meissner's corpuscles]]) in the [[foreskin]]. <ref name="garcía-mesa2021">{{REFjournal |last=García-Mesa |first=Yolanda |init= |author-link= |last2=García-Piqueras |first2=Jorge |init2= |author2-link= |last3=Cobo |first3=Ramón |init3= |author3-link= |last4=Martín-Cruces |first4=José |init4= |author4-link= |last5=Suazo |first5=Iván |init5= |author5-link= |last6=García-Suárez |first6=Olivia |init6= |author6-link= |last7=Feito |first7=Jorge |init7= |author7-link= |last8= |first8=Vega |init8=José A. |author8-link= |etal=no |title=Sensory innervation of the human male prepuce: Meissner's corpuscles predominate |trans-title= |language= |journal=Journal of Anatomy |location= |date=2021-10 |volume=239 |issue=4 |article= |page= |pages=892-902 |url=https://onlinelibrary.wiley.com/doi/full/10.1111/joa.13481 |pubmedID=34120333 |pubmedCID=8450466 |DOI=10.1111/joa.13481 |accessdate=2025-09-09}}</ref> Use of lubrication is optional for [[intact]] males. An informal online survey of [[intact]] and restored males in 2024 found use of lubricant is unnecessary and unpopular with almost no use of lubricant.<ref name="survey2025">{{REFweb