Segmentation by type distinguishes four functional configurations: standard loops, adjustable loops, integrated loops, and aftermarket loops. Standard loops, the baseline design, constitute the bulk of OEM supply, offering a fixed‑length geometry optimized for mass‑production efficiency and consistent performance across vehicle platforms. Adjustable loops introduce a telescopic mechanism, enabling length modulation to accommodate varying occupant sizes and seating positions; this variant commands a premium price and represents an expanding share as manufacturers pursue enhanced ergonomics. Integrated loops combine the loop with ancillary components such as retractors or pretensioners, streamlining assembly and reducing part count, thereby attracting manufacturers focused on weight reduction and cost consolidation. Aftermarket loops are produced for replacement or retrofit scenarios, driven by safety‑recall cycles and vehicle aging; although lower in volume, they sustain a steady revenue stream through service channels. Each type’s market contribution is proportional to its adoption rate within the application segments, collectively defining the comprehensive market taxonomy.