Crossword Genius

Undertaking to make a bid when holding hands (11)

Ross

I believe the answer is:

contracting

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'undertaking' is the definition.
('contract' can be a synonym of 'undertake')

'a bid when holding hands' is the wordplay.
'a bid' becomes 'contract' (contract is a kind of bid).
'when holding hands' becomes 'ing' (I can't explain this - if you can you should believe this answer much more).
'contract'+'ing'='CONTRACTING'

'to make' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Independent.
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