What is the best guitar accessory of 2014? (poll 8476688)

What is the best guitar accessory of 2014?

G7th Performance 2 Capo

Planet Waves NS Artist Capo

Fender Slide Interface

Pedaltrain Volto

Mono Guitar Sleeve

Korg Pitchblack Pro

See this poll on: https://poll.fm/8476688/embed