[nickcarraway]

BK was notorious for encouraging customers to toss their milkshakes into the faces of conservative candidates for office in the UK.

Do you have a source?

[who_would_fardels_bear]

This and many others...

BK Tweet Encourages Illegal Behavior

[who_would_fardels_bear]

NOTE: At the time people were replacing the shakes with quick drying cement which can burn the flesh. So candidates weren’t just getting messy but messed up.