Attachment Strap - FlightCrew 5: P3115B by TravelproWe Do honor Flight Crew PricingContact us by Email or call 414 817 0222 to learn more Attachment "J" Hook Strap This is the Clip together version. This is the replacement attachment strap for any FlightCrew2, FlightCrew3, FlightCrew4, or FlightCrew5 Rollaboard. Most FlightCrew5 rollaboards do not come with this style of attachment, they come with the J hook style attachment. The descriptive pictures show the bag attachment. If your attachment does not