Board Thread:Naruto Discussions/@comment-26107879-20181004003653/@comment-33485854-20181005201714

There is no speed boost with Chidori. It requires the user to move at high speeds to make the best use of the technique. That normally means moving at top speed. Most can't handle that speed due to the tunnel vision effect.

BlazeRelease wrote: We've seen Kakashi channel Chidori over his Kunai to increase it's speed. It increases cutting power due to lightning adding vibration to the Kunai.