public function updateClothes(Request $request, $id)
 {
     $valid = Self::val($request, true);
     if ($valid->fails()) {
         return redirect('dashboard/clothes/edit/' . $id)->withErrors($valid)->withInput($request->input());
     }
     $product = Product::find($id);
     $product->colors()->detach();
     $this->fillData($request, $product, true);
     return redirect()->action('DashboardController@index');
 }