Heat Shaping EVA Foam Halo Costume and Prop Maker Community - 405th

How should one go about this? I'm trying to make bracers and Grieves as a starting project but I am not entirely sure as to how to go about bending it so it will keep its' shape and not bending back. Any suggestions?

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF

Caesar On X: LIG Nex1 ALQ-200K & ALQ-88K ECM Pods Were, 55% OFF