Thoughts on safe Erlang PD usage to deal with short-living state (instead PTs like 'SeqBind')

pdscope.erl

-module(pdscope).
-export([pput/1, pget/0, pdscope/1, example/0]).

pput(X) ->
  erlang:put(?MODULE, X).

pget() ->
  erlang:get(?MODULE).

pdscope(Scope, F) ->
  try 
    F() 
  after
    erase(?MODULE)
  end.

example() ->
  pdscope(fun() ->
        pput(cowboy_req:foobar(11,2,2)),
        pput(cowboy_req:barban(pget(), 2,3)
    end).