Kerberos Riding 90-day Pass
Kerberos Riding 90-day Pass is a other (consumable) in GMS v271. Sells to NPCs for 1 mesos.
You can use the [Kerberos Riding] riding skill for 90 days by double-clicking this.
[Kerberos Riding] allows you to double jump while riding, regardless of whether you possess the double jump skill.