android:nextFocusForward="@id/rv_catalog"
android:nextFocusDown="@id/rv_catalog"
android:nextFocusUp="@id/rv_catalog"
android:nextFocusRight="@id/rv_catalog"
android:nextFocusLeft="@id/rv_catalog"

//выставляем фокус автоматом
if (position == 0)
    holder.cardView.requestFocus();
else if (position == getItemCount() - 1)
    holder.cardView.setNextFocusDownId(holder.cardView.getId());
//блочим нажатие вниз