Look at those Lockers, and Shiny 6-saddle bridge...

[PCollen]

...on Keith's Tele:

 

[Fenderdad1950]

Ronnie is playing through what looks like an old Champ.

 

[That Cal Webway]

Nice & relaxed!

 

[John C]

It seems like the Stones' guitar tech at the time, Alan Rogan, was a big fan of Sperzel locking tuners back when they were first available in the 1980s and put them on a lot of his artist's tour guitars.

 

[Lef T]

I dig Chuck on keys.

 

[HotTubTeddy]

Keith plays without a low E string, and uses an open tuning.
Very unique sound.