The B-side to "Kiss with a Fist" is a cover version of the Cold War Kids song "Hospital Beds".

It has been featured on the original motion picture soundtrack to 2009 black comedy film Jennifer's Body, as well as the 2008 film Wild Child, NBC comedy Community (Season 1, Episode 12 - "Comparative Religion"), Cougar Town (Season 1, Episode 3 - "Don't Do Me Like That"), Saving Grace, United States of Tara and The Good Doctor.

"Kiss with a Fist" first appeared with the same lyrics under the name "Happy Slap" on Ashok's (Florence Welch's previous band) first (and only) album Plans.

The track was both recorded and mixed by Richard Flack with producer, former Pulp bassist Steve Mackey (renowned for his work with M.I.A.)

[11]MusicOMH questioned the song by saying "Those lyrics are likely to prove pretty contentious - is Welch condoning domestic violence with lines like "a kiss with a fist is better than none"?

"[12] Leedsmusicscene.net gave the song three stars out of five, saying that "The single sees a punchy garage-blues racket (albeit acoustic led) accompaniment to Florence, who sticks to the fore throughout by belting out a soulful yet feisty Joplin-esque growl."

They then went on to say about the B-side, "Florence belts out another powerful vocal on Cold War Kids cover 'Hospital Beds', this time over the top of a more subdued, but no less apt, acoustic guitar line.

[15] The B-side, the band's cover of "Hospital Beds" by the Cold War Kids has been described as "exemplifying their acoustic bar/pub goodness".

[18] On 4 June 2008 the music video for "Kiss with a Fist" was uploaded onto YouTube five days before the single's official release.

It features Florence dressed in a cheeky punk themed outfit, running around - kicking, screaming in turn exclaiming how forceful love can be to contrast with the song's lyrical intention.

The track was featured on the soundtrack to the films Wild Child,[20] Jennifer's Body,[21] and St. Trinian's 2: The Legend of Fritton's Gold,[22] as well as in the television series 90210, Saving Grace, Community, Chuck,[23][24]The Good Doctor and This Is Going to Hurt.