snipe-it/routes/web/consumables.php

<?php

    // Consumables
    Route::group(['prefix' => 'consumables', 'middleware' => ['auth']], function () {
        Route::get(
            '{consumableID}/checkout',
            ['as' => 'checkout/consumable', 'uses' => 'Consumables\ConsumableCheckoutController@create']
        );
        Route::post(
            '{consumableID}/checkout',
            ['as' => 'checkout/consumable', 'uses' => 'Consumables\ConsumableCheckoutController@store']
        );
    });

    Route::resource('consumables', 'Consumables\ConsumablesController', [
        'middleware' => ['auth'],
        'parameters' => ['consumable' => 'consumable_id'],
    ]);