This thread covers about all you need to know about app points:
In addition, the neck/throat area offers the best diffusion because of its bloodflow and IMO keys-in best with your natural phero signature. So look to having the largest part of your application there but don’t get too hung-up on app points - so long as it has good underlying circulation and is open to the air, all is good. 
IG and Summer Ammo go very well together, its a good youthful but still mature, sexy smart and sociable, status combo. Simply leave a minute or two between spraying each layer for the solvent to evaporate.