Penis stretching primarily refers to manual stretching exercises done to increase penis length. Although there's evidence to suggest that.
Penis stretching involves using techniques or devices to increase the size of the penis. Popular methods include stretching exercises, such as "jelqing," and the use of traction devices or vacuum pumps. There is little evidence to suggest that penis stretching methods work.
Learn more about exercises for ED here. The pelvic floor muscles are key in sustaining blood flow to the penis and maintaining erections.