How to increase Mantis Blades attack speed
You can increase the mantis blades attack speed by 45% with a simple cyberware mod in Cyberpunk 2077. All you need to do is go to the ripperdoc in japantown, and it's not fingers.
If you go to the trade window of the blossom market cyberware vendor, they sell a mod you can equip which will increase the attack speed of the mantis blades by 45%.
Also if you need mantis blades, you can get free mantis blades in Corpo Plaza.
If you need directions, see the video below: