In addition to this, there is a general 80% Delay reduction cap that was added to the game as delay-reducing options became more readily available. Before this, it was possible to attain Haste values up to 93.75%, as can be seen in the UNCTGTG's video below. All types of Delay Reduction fall under this cap, from Sword Strap to Martial Arts to Dual Wield. In order to calculate your current delay reduction (and how close you are to the cap), you need to determine your % delay by multiplying all your Delay reductions together.