Grammy-winning rapper Eminem really does have something up his sleeves with Air Jordan. Slim Shady has ended the mystery surrounding speculation about his ties to the giant sneaker company.

Em went to Instagram Friday (December 15) and announced $10 donations to the Marshall Mathers Foundation could ultimately hook up some lucky fans with limited edition Jordan 4 Encore kicks.

Earlier this week, Em appeared to low-key hint at something brewing with Team Jordan.

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Em currently graces the cover of Interview magazine.

Last week, Eminem gave fans some extra incentives to pre-order his new LP.