In uncircumcised males, it is most common to grip the skin of the penis and move it up and down, resulting in repeated sliding of the foreskin back and forth over the head of the penis until orgasm is reached.
Though studies indicate that uncircumcised boys under the age of five are 20 times more likely than circumcised boys to have urinary tract infections (UTIs), the rate of incidence of UTIs is quite low.
Uncircumcised boys need to be instructed that the foreskin should be pulled down daily to expose the tip of the penis, which should then be washed with mild soap and water.
Pull back the foreskin of an uncircumcised penis before putting on the condom.
The communion meal would, according to the views of Robertson Smith, also involve the idea of a covenant; while the fact that no person joining in the meal should be uncircumcised connects the feast with the covenant of Abraham.