automatic twistlock

this is automatic twistlock nearly same as before ,easy to install ,except one more feature , it does not require manual repeated removal of twistlock bcos it has a spring loaded blue cone that can compress into the cavity provided . so, containers can be put at any flat surface without removing the twistlock . twistlock can be set to both auto mode . lashing protection mode [done manually] .yellow cone is same ,blue cone is same , additional feature is compression between yellow and blue cone.