If your gonna fight Saturday, buy a roll of quarters or pennies if you're small, hold it tightly when punching, it will feel to him like brass knuckles. Another possibility is getting some steel toe boots and kicking him in the balls, but if you take that option, be sure not to kick him in the shin bc it can break his leg when you kick with steel toes. Personally, I'd go for something sneaky if I were you bc he's bigger... You need to be sneaky like the vc to get an advantage