The function of a garter is to hold up stockings on the bride's legs. Therefore, there is no correct leg to wear it on. You may choose to wear your garter on either your left or your right leg based on your personal preference. Many brides choose to wear two garters: one to toss, and one to keep.
Many brides are opting not to do the garter toss at their reception. ... If they are skipping the garter toss, most brides will still wear wedding garter as something special and meaningful to have close to them on their wedding day.
Tossing the wedding garter is an old-time held tradition. It is said that in the days gone past, the bride and groom had to show proof of their wedding consummation. In order for it to be proven, it was common tradition to have people like family and friends come into the room with the couple
As superstition has it today, the lady who catches the bouquet and the man who catches the garter will be the next two to get married. This doesn't necessarily mean to each other, but it is a fun idea.