Clash - This Is Radio Clash Chords & Tabs

Thanks to Boldra who refined my original understanding of this song.


Intro
D:|-----------|------------------
G:|-----------|------------------
A:|-------7---|------------------
E:|-0-3-7---8-|-888753-----------

Main riff 
D:|------------------------|------------------------|
G:|------------------------|------------------------|
A:|-------7-755557---------|-------7-755557---------|
E:|-0-3-7------------------|-0-3-7------------------|
[ Tab from: https://www.guitartabs.cc/tabs/c/clash/this_is_radio_clash_btab.html ]
D:|------------------------|------------------------|
G:|------------------------|------------------------|
A:|-------7-755557---------|-------7-755557---------|
E:|-0-3-7------------------|-0-3-7------------------|

D:|------------------------|------------------------|
G:|------------------------|------------------------|
A:|-------7-755557---------|-------7-755557---------|
E:|-0-3-7------------------|-0-3-7------------------|

D:|------------------------|------------------------|
G:|------------------------|------------------------|
A:|-------7-755557---------|-------7-755557---------|
E:|-0-3-7------------------|-0-3-7------------------|
repeat many times

just keep repeating.  The only reason I wrote it many times is 
because of the crappy submit your tab window that alledgedly 
checks your tab is long enough - bah!

Any one know the slap bit towards the end?