How would I save things that are not in leaderboards?

Okay, so basically I have something set-up so that if a player gains a technique, a string value would indicate that they have the technique so they can use said technique.

For example:

Player PlayerGui Backpack StringValue <-- Yes StringValue <-- No

When a player presses Q or E, they can use string value 1 but if they try to use the key for string value 2 they can't do it.

Now, the problem is, how would I save these said values without them having to be in a leaderboard? This would just clog it up and I intent to use the leaderboard for something other than saving values.

All you need to do is create the variables which you need and make the parent the player.

This is an example.

game.Players.PlayerAdded:connect(function (plr)
	local b = Instance.new("IntValue", plr) --Don't make the parent the leaderboard, instead use the player.
	b.Name = "number"
end)

You can then leaderboard and the values will not show as long as the parent it the player