What are the best tricks for making the penis thicker?

There are no tricks to make the penis thicker. For length, you can shave your pubic hair to make the penis look longer. Increasing the girth of the penis is not possible with any tricks; however, there are surgeries that involve injecting fat from other parts of the body into the penis to increase girth. The results are not substantial enough to recommend these surgeries though and most good doctors will not recommend it.