There are obvious mechanics that every plat should be practicing like wave dashes and half flips but there are also things like empty jumps and wall dashes that I think should be learned as early as diamond. Wall dashes are very simple and easy to learn all you do is hold right DAR for right wall and left DAR for left wall and spam jump. The empty jumps can be used off walls or ceilings to get down to the ground faster and use less boost. They will need a little more practice but are still pretty simple to start using in games.