I take it that it isn't the comp cart version. That does have specific tie downs.
Either way, a strap over the top is a good idea and anchor around the legs if it isn't the comp cart.
Yoder Smokers YS1500, Kamado Joe BigJoe & Joe Jr., Weber: 18.5" OT(L), SJG(AU) & (DI) - Past Cookers: Yoder Smokers YS640 Comp Cart, Kamado Joe Classic, OKJoe's Longhorn, UDS, Weber: Performer(AA), Genesis Gold C(DH), 22.5" OTG(DI), 22.5" OT(L)
IMBAS Certified MOINK Baller