What is the preferred method of gloving due to its lower contamination risk?

The preferred method of gloving that minimizes contamination risk is closed gloving. This technique involves donning both the inner sterile glove and the outer sterile glove without exposing the hands or the inner glove to the non-sterile environment. Because the outer glove is put on over the inner glove while keeping both sterile, this method significantly reduces the chances of introducing contaminants into the surgical field.

Open gloving, while it can be done independently, involves handling the outer surface of the glove directly, which provides a higher risk of contamination since the hands may come into contact with non-sterile surfaces. Double gloving is often used in procedures where there is a high risk of punctures, but it doesn't specifically address the risk of contamination in the same way that closed gloving does. Reinforced gloving is generally used for added protection in high-risk situations but does not specifically optimize contamination control like closed gloving.

Thus, the method that is specifically designed to lower contamination risk during surgical procedures is closed gloving.