1. Plural of backstrap; straps or bands that run across or support the back, especially in clothing, bags, or equipment.
Usage: commonly used in fashion and gear contexts
2. In weaving, straps or cords used to support the warp on a backstrap loom.
Usage: textile/craft terminology

Examples

• The backpack's backstraps distribute the weight evenly across your shoulders.
• She adjusted the backstraps on her dress to ensure a comfortable fit.
• The hiking pack features padded backstraps for long-distance comfort.
• Traditional weavers use backstraps to tension the loom.
• The backstraps on the harness kept it securely in place.