Tandem spreaders (also known as "tandem spreader bars") for dual paragliding. Some prioritise features, durability or cost over light weight. Others prioritise low weight over other characteristics. Some spreaders feature a rigid bar separating the pilot from the passenger; these are known as "hard", "rigid" or "standard" spreaders. Others do not feature a rigid bar between the pilot and passenger; these are known as "soft", "flexible" or "supple" spreaders. Some soft spreaders feature a trim system so the pilot can adjust his/her position. Some spreaders are compatible with quick-out karabiners, others not.