Matching Pairs Selling aids Online version A quick game about selling aids by E- Learning 1 Leave-Behinds 2 Point-of-sale 3 Sales Support Tool 4 Respond to Inquiries 5 Direct Mail Similar to leave-behinds but used as a selling aid through a sales pitch. Your sales letter sells but you can also include your brochure into your direct mail package. The type of brochure picked up whilst browsing. The type of brochure left behind after meeting a customer. Someone asks about a specific product and you drop a brochure in the post to them.