What does the concept "Negotiation Flinch" in negotiation stand for?

It is an action of shock that you make when you are negotiating and it refers to conveying a message to your opponent through gesture.  

A flinch is a tactic used when negotiating. People dont like pain and will do anything to avoid being hurt. Imagine you are conducting an interview with a possible company that wants to hire you. During the course of the interview the Human Resources Manager delivers the news about the package they offer for such position. Deep down in your head, you heard the exact number he is offering. Truth to be told, it felt like somebody threw cold water on you. For you to indirectly tell the manager that the offer is low, you flinch. It is conveyed through a higher voice pitch and an exclamation. Non verbally, your hands start trembling, a sigh or even an eye roll. Coming back to our example, the Human resources Manager interviewing you, will feel that you are unhappy with the offer and tries to amp it up a nudge. Its like throwing a tantrum but for adults. Since a tantrum is unprofessional, you flinch.

A well known negotiation tactic is the flinch. It is used to communicate pain and discomfort. It is a power deal making tactic

Sometimes to win your client you , at certain points of negotiations you need to take client queries/response by surprise and pretend as if you have heared it for the first time ( even though you are aware of it).

The goal is to express dismay physically to some situation during the negotiation process.It can be tackled by adopting the tit for tat technique in a humorous way  thus neutalising the effect of the flinch created by the other side.

Thanks

I prefer to wait for more answers

Negotiation Flinch is a technique where you dramatically express shock and is used especially in Real Estate business. Like you express shock on hearing the per square ft quoted to you.

Obviously this temorarily livens up the negotiation and give you in turn the time to think how to counter the quote in the above example.

Surely excess use of such a technique with same negotiator will call the bluff and may bounce back on you.

Useful technique if used sporadically.