In Midwest Stock Exch., Inc. v. NLRB, 635 F.2d 1255 (7th Cir. 1980), the court found that an employer discriminatorily enforced its no-solicitation rule by strictly enforcing the rule against union activities but permitting "[s]uch drives as the Crusade of Mercy, collection of blood in a bloodmobile... [on the employer's] premises, the selling of Avon products, Tupperware, boat cruise tickets, raffle tickets, Girl Scout cookies, and a number of other items."
In Williamson Piggly Wiggly v. NLRB, 827 F.2d 1098 (6th Cir. 1987), this court held that a grocery store produce manager was not a supervisor even though he had the "discretion to direct the routine activities of the produce department such as unloading trucks, stocking and rotating produce, and ordering from suppliers...."