 Complete the following phrase:  Money in the Bank is an annual gimmick pay-per-view PPV and WWE Network event produced by WWE since 2010, generally held between May and July. The concept of the show comes from WWEs established Money in the Bank ladder match, in which multiple wrestlers use ladders to retrieve a briefcase hanging above the ring. The briefcase contains a contract that guarantees the winner a match for a world championship of their choosing at any time within the next year. The 2021 event featured wrestlers from the Raw and SmackDown brands; male wrestlers competed for a contract to grant them a match for either Raws WWE Championship or SmackDowns Universal Championship, while female wrestlers competed for a Raw Womens Championship or SmackDown Womens Championship match contract. While the 