Nibbling
What it is
Asking for small additional concessions after the main deal is already agreed, exploiting the other party's desire to close and avoid reopening negotiations.
How it works
Real-world examples
- •"Oh, one more thing — could you throw in free shipping?" after a complex deal is negotiated.
- •Adding scope to a consulting engagement after the contract price is agreed.
- •"Since we're already doing X, it wouldn't be much to also do Y, right?"
Ethical guidelines
- ●Minor nibbles are standard practice; major nibbles disguised as minor ones are bad faith.
- ●If a concession is worth asking for, it was worth including in the original negotiation.
- ●Repeated nibbling erodes trust and relationships.
How to defend against it
- ►When someone nibbles, respond with a reciprocal request: "I can do that if you can do this."
- ►Say "Let's reopen the full negotiation" — this usually stops nibbling because the nibbler doesn't want to risk the main deal.
- ►Set clear boundaries at the handshake: "This is the complete agreement — any changes require renegotiation."
From the Defense Playbook
Fix your criteria, budget, walk-away point, or answer in writing before you see the offer, the anchor, or the pressure, so that the decision is made by the cool version of you.
Move the claims, numbers, promises, and your own reasoning out of your head and onto paper or a file, where they cannot be re-described, forgotten, or overloaded.
Calmly repeat the same short statement of what you want or will not do, in the same words and tone, as many times as it takes, without being drawn into answering each new argument.
State a limit as a short sentence about what you will do, not a demand about what the other person must do, and then do it: "If X happens, I will Y."
Make it a standing habit never to agree to a request on the spot: buy time with a stock phrase, leave the situation, and decide later when the social pressure of the moment is gone.
Every playbook entry states how strong its evidence is and when not to use it. Browse the full playbook.
References
- Lewicki, R. J., Saunders, D. M., & Barry, B. (2010). Negotiation (6th ed.). McGraw-Hill/IrwinStandard treatment of 'the nibble' as a named hardball tactic: asking for a small concession on an item not previously discussed after the deal appears settled, when the other party is reluctant to reopen the negotiation — and the recommended counters.
- Arkes, H. R., & Blumer, C. (1985). The psychology of sunk cost. Organizational Behavior and Human Decision Processes, 35(1), 124–140The mechanism the entry relies on — that time and effort already invested in reaching agreement make people reluctant to walk away: the sunk-cost effect, in which prior investment that should be irrelevant increases the tendency to continue an endeavour.