Take the chain. The size of chain links are such that rope could pass through the link a couple of times, or more.
Now, you must separate the three links of the chain.
Take the middle link and voila, we've got reliable "Ring" device.
The middle link is for bind / fix, and a couple of lower links will hold the rope loop.
Almost as on a http://boundanna.com/html/en_tech_ringdevice.html
lasting Ring Device - it is simply
lasting Ring Device - it is simply
Feat of the One is a Crime of the another.