The Emery eights are interesting articulated eight. I don't see why the articulation is needed. The Kong De-Jump and the Frendo eights were made for canyoneering, and I can see that they would be quite useful in that situation, where dropping one’s rappel device is both easy and inconvenient. The Young Manufacturing Rescue Safe Eights are well-made devices that provide an innovative alternative to the Figure Eights With Ears, addressing something that I don't view as a problem in my world, but apparently concerns many people in theirs.
Complex eights are heavier than the average standard eight, but lighter than many other eights.
| Image | ID | Device ↓ | Description | Acquired | Weight ↓ | Height ↓ | Width ↓ | Thickness ↓ | Std. volume ↓ |
|---|---|---|---|---|---|---|---|---|---|
 |
358 1241 2428 |
Emery Magic 31700 | Forged, painted, wire safety, rectangular holes, ears |
|
198 | 148 | 75 | 78 | 866 |
 |
359 2429 |
Emery Pratic 31701 | Forged, painted, wire safety, rectangular holes |
|
180 | 148 | 75 | 55 | 611 |
 |
538 | Frendo, Version A |
Forged, soft anodized, wire clip, round holes | Alpinist & Globetrotter, 1997 | 162 | 158 | 71 | 58 | 651 |
 |
539 | Frendo, Version B | Forged, painted, wire clip, round holes | Comptoir des Techniques Verticales, 1997 | 163 | 158 | 71 | 58 | 651 |
 |
990 | Kong De-Jump | Forged, soft anodized, spring-loaded throat, trapezoidal rope hole | Barrabes.com, 2005 | 326 | 140 | 105 | 23 | 333 |
 |
3165 | Orion-Alp (Орион-Альп) Sports Eight (Восьмерка Спортивная "Орион-Альп") | Milled steel, painted, for attachment to a carabiner. Weight and dimensions listed exclude the carabiner. | Orion-Alp (Орион-Альп) via Artyom Babin (Артём Бабин), 2022 | 188 | 167 | 114 | 22 | 408 |
 |
3166 | Vertical (Вертикаль) Sport-Tourism Eight (Спусковое устройство восьмерка с креплением "Спорт-туризм" ) | Milled steel, painted, for attachment to a carabiner. Weight and dimensions listed exclude the carabiner. | Vertical (Вертикаль) via Artyom Babin (Артём Бабин), 2022 | 153 | 133 | 96 | 30 | 385 |
 |
976 | Young Manufacturing Rescue Safe 8, Large | Milled, hard anodized, milled safety clip, irregular rope hole, oval eye | Young Manufacturing, 2004 | 204 | 161 | 92 | 32 | 478 |
 |
977 | Young Manufacturing Rescue Safe 8, Small | Milled, hard anodized, milled safety clip, irregular rope hole, oval eye | Young Manufacturing, 2004 | 181 | 148 | 76 | 33 | 367 |
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