Hotelier slowing down by sharp double bend (4)

I believe the answer is:

ritz

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'hotelier' is the definition.
(Swiss hotelier Cesar Ritz)

'slowing down by sharp double bend' is the wordplay.
'slowing down' becomes 'rit' (I've seen this in other clues).
'by sharp double bend' becomes 'z' (I am not sure about this - if you are sure you should believe this answer much more).
'rit'+'z'='RITZ'

Can you help me to learn more?

(Other definitions for ritz that I've seen before include "Place of expensive luxury" , "glamour" , "Swiss hotelier, creator of a chain of elegant hotels, d. 1918" , "Piccadilly hotel" , "Classy hotel" .)

I've seen this clue in The Times.

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