https://drive.google.com/file/d/1WXhMJm-JKom9Tu9f_PmpNK1oyrf237xC/view?usp=sharing
↑ mainhand → offhand (normal)

https://drive.google.com/file/d/1x6LK1wnyQMbMHMtB0kAgnEKAu8eWJeFo/view?usp=sharing
↑ offhand → mainhand (problems)

https://drive.google.com/file/d/1U4A1WWgpDJh9FX86PfOpZJwXro43gz2R/view?usp=sharing
↑ hand tremor

If you attack with your mainhand after attacking with your offhand,
even if the cooldown is complete, you will not receive perfect attack power.

If you use both hands too quickly, the last one used will tremble.