Governing body Cricket Australia had recommended the use of neck protectors since the death of Phillip Hughes in 2014 but a number of top batsmen, including David Warner and Steve Smith, have resisted wearing them.
A Pakistani cricketer succumbs to his head injuries, two days after a bouncer struck him causing the fatal blow.
Batsman Phillip Hughes died after he was struck on the neck by a bouncer during an Australian domestic match in 2014, stunning the sporting world.
The family of Australian cricketer Phillip Hughes walked out of an inquest into his death after a submission from the lawyer for Cricket Australia that the coroner should not rule on claims the batsman been subject to threatening language.
Helmets should be compulsory for batsmen and fielders near the wicket, and substitutes considered for concussed players, a review into the death of Phillip Hughes says on Wednesday.
The International Cricket Council (ICC) is considering the use of concussion substitutes following a report on the death of Australian cricketer Phillip Hughes.