Although you can't equip movable sprays during midround (besides some like Sharp Spray for some reason) you can spray it late pre-round and it will still move after the barriers have lifted. I suggest they disappear once the barrier is lif...

I personally buy full util and roll with the classic or shorty depending on the angle im holding. I used to buy only cheap util and buy a ghost no matter what agent I played. What is everyone's favorite round 1?