This is the easiest "Trick" in the game, it is recommended that anyone at any level of attempting to speedrun this game does this manip.
This manipulation is useful in both any% and glitchless speedruns to buy the Grip Ring. It is generally recommended to use the 1 Blue Rupee manip, the 4 Rupee manip is recorded for preservation as a historic trick.
Make sure to read the page on RNG Manipulations which covers the basics of RNG manipulation.
Reset
Mash through text
Go down stairs without rolling
Roll twice in room with table
Mash through text
Open 20r chest
Pick up and throw a pot
If you decide to do the single blue rupee manip, the 3 blue rupees in Mt. Crenel are required.
Same as the single rupee manip
After collecting the first blue rupee, roll 5 times
Pick up and throw the other pot
Leave and reenter the room
Pick up and throw both pots quickly