The dropper loop aka dropper knot or blood loop knot.
It’s often used to make multiple hook bait rigs or to attach lures above a jig.
Knot strength: 85%
@Angling Knots
Disclaimer:
No responsibility in any way is accepted for incidents arising from the use of this material.
Based on the illustrations in "The Essential Fishing Knots" book by Amazon Media. Learn more:
UK: https://www.amazon.co.uk/dp/B01DJFM4RE/ref=cm_sw_em_r_mt_dp_PG12WR6HV4VTRXQWG7H7
USA: https://www.amazon.com/dp/B01DJFM4RE/ref=cm_sw_em_r_mt_dp_9KXSSN2RFH5PX69HTF87