2 adverbs to describe how to flail

They seem to be only heads, from which legs and arms flail out grotesquely.

Neuve Chapelle had been literally flailed with the high explosive projectiles of the new British artillery, which the British had to make after the war began in order to compete with what the Germans already had; for poor, lone, wronged, bullied Germany, quite unpreparedAustria with her fifty millions does not countwas fighting on the defensive against wicked, aggressive enemies who were fully prepared.

2 adverbs to describe how to  flail  - Adverbs for  flail