Yakima Q-Clips are required to attach a Yakima Q-Tower rack to your vehicle. If you are assembling a new Yakima Q Tower rack for your car or changing your existing rack for your new vehicle you will need the correct Q Clips for your specific vehicle. Go to the Yakima web site (link below) to find out which Q-Clips you need for your vehicle using the Yakima Fit Guide. I have the following Q Clips for sale at $25 per pair or $40 for two pair. Q Clip # 15 - one pair available Q Clip # 39 - one pair available Q Clip # 45 - one pair available Q Clip # 53 - two pair available Q Clip # 115 - one pair available Q Clip # 122 - two pair available Q Clip # 133 - two pair available I have a more Yakima parts so feel free to contact me if you are looking for parts. Yakima roof racks can be used to transport your kayak, canoe, bicycle, surf board, paddle board, SUP, snowboard, skis, ladders or anything else that won't fit inside your car.