Being an old farm boy I remember these were used to entice a hen to come into this nest to lay her eggs. The small chains you see were used to tie eggs down to that particular nest.SHIPPING I use USPS to ship all my products. If you want me to ship via any other means you must let me know. I will always try to ship the most economical way for you. THANKS VERY MUCH FOR LOOKING, APPRECIATED. PERSONAL CHECKS MAY REQUIRE A 10 DAY DELAY, ALL OTHER METHODS NEXT DAY WHEN POSSIBLE. ADDITIONAL PICTURE ARE AVAILABLE AND MORE INFORMATION WILL BE GLADLY FURNISHED.