Pretty strong message sent here from SalesDog.com via ScLoHo’s Collective Wisdom
A letter of introduction written by you for your client’s signature
A letter from the client to the prospect is the most basic form of introduction. Rather than asking the client to write the letter, write it for him on his letterhead for his signature.
A phone call from your client to the prospect
A phone call is stronger than a letter and almost guarantees an appointment as it is very difficult for the prospect to say no to your appointment request while the client is on the line.
A lunch meeting with your client, the prospect, and yourself
A stronger method than either a letter or a call, a lunch meeting allows you to get to know the prospect as a friend before you ge t to know him as a salesperson
I recommend reading the entire article..