Loot Crate will sometimes have coupons that can be used to receive a lower price on a subscription. Coupons apply for new subscriptions and are not valid for reactivations, renewals, or upgrades unless otherwise stated in the promotion terms.
To use a coupon code simply check the “Have a Coupon code?” box then enter the coupon.
After it has been validated it should reflect the discount on your total below.
One coupon valid per subscription.