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