Left Hand Drive only threads?

halp!
I was browsing on sheldonbrown for types of threads on freewheels.
I am planning on buying the ACS Southpaw BMX freewheel off ebay but it says left hand drive only. What does this mean?! Is it a BMX thing - or good for SSbikes too?

What does this mean?!

It means it is only any use to someone with a hub that has a left-hand thread and is running the freewheel on the left side of the bike. In other words it's unusual and probably no use to you. Spend another £4 and you can get a 'normal' one from Condor.

Hello sulaco.
left hand thread means it screws on when turned anti clockwise. it will not go on normal hubs because they screw on clockwise / right hand thread. the only reason For BMX hubs doing this would be so the chain wheel (crank cog) would be on the left side of the bike. a fashion statement surely.

Hello sulaco.
left hand thread means it screws on when turned anti clockwise. it will not go on normal hubs because they screw on clockwise / right hand thread. the only reason For BMX hubs doing this would be so the chain wheel (crank cog) would be on the left side of the bike. a fashion statement surely.

A fashion statement? Really? You sure it's not to get the drivetrain out the way for people who grind on the right?

Left hand threads can only be connected with skyhooks. Most shops have them but I think in the u.k they call them long weights. If you ask for that you should be fine.

dear mechanical vandal and all the people who grind on the right. please forgive my ignorance, both of you

thanks bro's