A Voodoo shift knob is the fastest and easiest mod you'll ever make to your car. Improved short-shifting capability is immediate! Voodoo shift knobs
Official Shift Knob thread for the Manual NCs. What are you using
OEM vs. Voodoo Shift Knobs
Joyfast shifter knob review —
Shift Knob Guide
RoadsterSport BBK Weighted Aluminum Shift Knob - Red for Miata
Oh yeah, that'll do. Voodoo stainless steel : r/Miata
Shift knobs, What do we like?, Grassroots Motorsports forum
Shift Knob: MGW Gripper Shift Knob
Shift knob experimentation!.>> - Nissan 370Z Forum
An alternative to VooDoo Shift Knobs.