Hello there
I have gone through your requirement , attached both png file and provided link very carefully and i can surely Add the Attribute in toolbar in magento category pages efficiently according to your need and provide you best work.
I am a over 5 year experienced designer and developer.
I am having expertise in Magento, E commerce, shopping cart.
I am ready to start right NOW.
For more detail message me in PMB.
Regards,
Neha