The BBO may be the culprit. Or that noname twotone.
I wouldn't expect the Vendetta/syngut at low tension to cause pain, but it's possible.
Vibration dampeners don't do much to reduce shock, only sound.
There's always multi. MCS and Rip Control are both low powered.
Neos 1000, Eagnas Combo 810(home),Prince 5000(work)