sportsherald. 2 votes Vote for this answer. Another name for a wing dam is a groyne: 'River groynes (spur dykes, wing dykes, or wing dams) are often constructed nearly perpendicular to the riverbanks, beginning at a riverbank with a root and ending at the regulation line with a head.
The foreskin (also known as the prepuce) is a portion of skin on the penis that covers and protects the tip of the penis, also known as the glans. It can be a tough world for a glans -- there's abrasion from undergarments, cold winter weather and dry air.
if the foreskin is very tight the simplest method is to pull back on the skin easiest with an erection so that the opening feels tight without real pain hold that for a few minutes and repeat a few times do this a couple of times a day soaking in a warm bath will make the skin easier to stretch